Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Activity in Allowance for Loan Losses for Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 109,230	$ 82,181	$ 90,967	$ 90,967	$ 78,789	$ 78,789
"Day 1" ACL for acquired PCD loans	0			5,610
Charge-offs	(3,203)	(1,205)		(7,575)	(4,008)	(4,465)
Recoveries	971	511		2,845	3,206	4,043
Provisions / (Reversals)	1,200	5,100		16,351	8,600	12,600
Ending balance	108,198	86,587	109,230	108,198	86,587	90,967
Commercial and industrial
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	23,442	15,450	17,718	17,718	16,249	16,249
"Day 1" ACL for acquired PCD loans	0			5,197
Charge-offs	(2,650)	(512)		(6,361)	(2,030)	(2,519)
Recoveries	450	166		1,216	636	756
Provisions / (Reversals)	1,202	2,482		4,674	2,731	3,232
Ending balance	22,444	17,586	23,442	22,444	17,586	17,718
Real estate, commercial | Construction, development & other land loans
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	18,477	16,171	15,128	15,128	16,519	16,519
"Day 1" ACL for acquired PCD loans	0			49
Charge-offs	(120)	0		(120)	0	0
Recoveries	54	109		277	376	480
Provisions / (Reversals)	(4,761)	(1,352)		(1,684)	(1,967)	(1,871)
Ending balance	13,650	14,928	18,477	13,650	14,928	15,128
Real estate, commercial | Commercial real estate - owner occupied
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	16,381	14,921	14,972	14,972	12,317	12,317
"Day 1" ACL for acquired PCD loans	0			191
Charge-offs	(24)	(52)		(24)	(70)	(214)
Recoveries	34	25		104	585	691
Provisions / (Reversals)	1,873	(436)		3,021	1,626	2,178
Ending balance	18,264	14,458	16,381	18,264	14,458	14,972
Real estate, commercial | Commercial real estate - non owner occupied
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	26,274	20,124	22,780	22,780	16,789	16,789
"Day 1" ACL for acquired PCD loans	0			51
Charge-offs	0	(418)		(235)	(1,263)	(849)
Recoveries	302	85		734	974	1,281
Provisions / (Reversals)	(1,240)	991		2,006	4,282	5,559
Ending balance	25,336	20,782	26,274	25,336	20,782	22,780
Real estate, commercial | Multi-family real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,946	2,149	2,957	2,957	1,236	1,236
"Day 1" ACL for acquired PCD loans	0			0
Charge-offs	0	0		0	0	0
Recoveries	3	2		10	8	11
Provisions / (Reversals)	(481)	383		501	1,290	1,710
Ending balance	3,468	2,534	3,946	3,468	2,534	2,957
Real estate, mortgage | Residential 1-4 family real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	14,305	8,650	11,354	11,354	8,686	8,686
"Day 1" ACL for acquired PCD loans	0			113
Charge-offs	0	0		0	0	0
Recoveries	50	1		275	16	17
Provisions / (Reversals)	4,374	2,064		6,987	2,013	2,651
Ending balance	18,729	10,715	14,305	18,729	10,715	11,354
Real estate, mortgage | Home equity loans/lines of credit
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,717	2,086	3,158	3,158	4,337	4,337
"Day 1" ACL for acquired PCD loans	0			8
Charge-offs	0	(2)		(2)	(43)	(43)
Recoveries	11	85		85	446	600
Provisions / (Reversals)	(431)	597		48	(1,974)	(1,736)
Ending balance	3,297	2,766	3,717	3,297	2,766	3,158
Consumer loans
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,688	2,630	2,900	2,900	2,656	2,656
"Day 1" ACL for acquired PCD loans	0			1
Charge-offs	(409)	(221)		(833)	(602)	(840)
Recoveries	67	38		144	165	207
Provisions / (Reversals)	664	371		798	599	877
Ending balance	$ 3,010	$ 2,818	$ 2,688	$ 3,010	$ 2,818	$ 2,900